Some bird species don't ralse their own chicks. Instead, adult females lay their eggs in other nests, neat to soother bird species' own eggs Female cuckoos have been seen quickly laying cap in the nerts of other bird specier when those birds are out looking for food. After the eggs hatch, the noncuckoo parents will typically rabe the cuckoo chicks will they were their own offspring, even if the cuckoos look very different from the other chicks. Which choice best describes the function of the underlined sentence in the text as a whole? A) It introduces I physical feature of female cuckoos that is described later in the text. B) It describer the appearance of the cackoo nests mentioned earlier in the trxt C) It uffers detail about how female cuckom carry out the behavior discussed in the text. D) It explains how other birdi react to the female cuckoo behavior discussed in the trri Cats can judge unseen people's positions in space by the sound of their voices and thus react with surprise when the same person calls to them from two different locations in a short span of time. Saho Tukagi and colleagues reached this conclusion by meanuring can'levels of surprise based on their ear and bead movements while the cats heard recording of their owners' voice from two speakers spaced far apart. Cats exhibited a love level of surprise when owners' voices were played twice from the same speaker, but they showed a high level of surprise when the voice was played once rach from the two different speaken According to the text,how did the restarchers determine the level of surprise duplayed by the citi in the study? A) They watched how each cat moved in can and head B) Thry cumined how each cat reacted to the voice of a stranger C) They dudied how rach cat physically interacted with its owner D) They tracked how each cal moved around the room.